Home / 8,132.14-12,198.30-2,288.80

Finding the Fourth Proportional to 8,132.14, 12,198.30 and 2,288.80

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Solution

The fourth proportional to 8,132.14, 12,198.30 and 2,288.80 is: 3,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.14 : 12,198.30 = 2,288.80 : x
  2. Step 2: Convert to fraction form
    8,132.14/12,198.30 = 2,288.80/x
  3. Step 3: Cross multiply
    8,132.14x = 12,198.30 × 2,288.80
  4. Step 4: Simplify right side
    8,132.14x = 27,919,469.04
  5. Step 5: Solve for x
    x = 27,919,469.04/8,132.14
  6. Step 6: Final answer
    x = 3,433.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.